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145451 (2005 RM43)
Classification: TransNeptunian Object          SPK-ID: 2145451
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6104914191290581 1.9167e-05  
a 90.01706543109793 0.0047832 au
q 35.06241941023367 0.00014278 au
i 28.81399300799718 3.1807e-05 deg
node 84.60919404741175 2.4114e-05 deg
peri 318.0021782038649 0.0004235 deg
M 6.623777905651547 0.00057095 deg
tp 2453260.803026999042
(2004-Sep-12.30302700)
0.068659 TDB
period 311950.512186911
854.07
24.864
0.06807
d
yr
n .001154029199940211 9.1982e-08 deg/d
Q 144.9717114519622 0.0077034 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      15777 days (43.20 yr)  
   first obs. used      1976-11-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .35576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:36:02  

Additional Information
 Earth MOID = 34.1262 au 
 Jupiter MOID = 30.3224 au 
 T_jup = 5.831 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457095.5 (2015-Mar-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6136941200860524 1.9215e-05  
q 35.13182066491213 0.00014206 au
tp 2453364.767012379866
(2004-Dec-25.26701238)
0.067553 TDB
node 84.65470222517042 2.4199e-05 deg
peri 318.5964195119282 0.00041549 deg
i 28.73900577933622 3.18e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      15777 days (43.20 yr)  
   first obs. used      1976-11-17  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .35576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:36:02  

Additional Information
 Jupiter MOID = 30.3224 au 
 T_jup = 5.831 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.692142306448787E-10 2.631695232118558E-9 5.7567555452233E-7 -4.309325998957814E-11 3.437864649264292E-9 1.092167153387745E-10
q 2.631695232118558E-9 2.018146184470219E-8 6.205955062947027E-6 -3.252589941525897E-10 3.769503999331123E-8 8.126241109267002E-10
tp 5.7567555452233E-7 6.205955062947027E-6 .004563382338009066 -9.265269852245567E-8 2.801304325921386E-5 2.146886308206734E-7
node -4.309325998957814E-11 -3.252589941525897E-10 -9.265269852245567E-8 5.855699897675595E-10 -1.070592143880722E-9 -7.194783932413035E-10
peri 3.437864649264292E-9 3.769503999331123E-8 2.801304325921386E-5 -1.070592143880722E-9 1.726332402564921E-7 1.918481533561229E-9
i 1.092167153387745E-10 8.126241109267002E-10 2.146886308206734E-7 -7.194783932413035E-10 1.918481533561229E-9 1.011244513485476E-9

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.4   n/a MPO432911  
rotation period rot_per 6.71 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.]

145451 (2005 RM43)          Discovered 2005-Sep-09 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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